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1 Umbellets 6-20 per umbel; biennials, 3-20 dm tall. | |
1 Umbellets 2-3 per umbel; annuals, 2-9 dm tall. | |
3 Fruits 4-5× as long as wide; ribs of the fruit broad, the intervals between the ribs much narrower than the ribs; pedicels expanding upwards in diameter; stem and leaf surfaces mostly pilose | |
3 Fruits 2-3× as long as wide; ribs of the fruit narrow, the intervals between the ribs equal to or wider than the ribs; pedicels mostly uniform in diameter; stem and leaf surfaces essentially glabrous. | |
4 Fruit densely and finely puberulent, 4.5-6.5 mm long, 2-2.5 mm broad |